From: Lucas Stach <l.stach@pengutronix.de>
To: Shawn Guo <shawnguo@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Baruch Siach <baruch@tkos.co.il>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
patchwork-lst@pengutronix.de, Rob Herring <robh+dt@kernel.org>,
NXP Linux Team <linux-imx@nxp.com>,
kernel@pengutronix.de, Fabio Estevam <fabio.estevam@nxp.com>,
"A . s . Dong" <aisheng.dong@nxp.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 3/4] arm64: add support for i.MX8M EVK board
Date: Fri, 23 Feb 2018 16:45:04 +0100 [thread overview]
Message-ID: <1519400704.8609.1.camel@pengutronix.de> (raw)
In-Reply-To: <20180223150352.GU3217@dragon>
Am Freitag, den 23.02.2018, 23:03 +0800 schrieb Shawn Guo:
> On Thu, Feb 01, 2018 at 07:31:25PM +0100, Lucas Stach wrote:
> > +&usdhc1 {
> > + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> > + pinctrl-0 = <&pinctrl_usdhc1_cd_reset>,
> > <&pinctrl_usdhc1_clk_strobe>,
> > + <&pinctrl_usdhc1_data>;
> > + pinctrl-1 = <&pinctrl_usdhc1_cd_reset>,
> > + <&pinctrl_usdhc1_clk_strobe_100mhz>,
> > + <&pinctrl_usdhc1_data_100mhz>;
> > + pinctrl-2 = <&pinctrl_usdhc1_cd_reset>,
> > + <&pinctrl_usdhc1_clk_strobe_200mhz>,
> > + <&pinctrl_usdhc1_data_200mhz>;
> > + vqmmc-supply = <&sw4_reg>;
> > + bus-width = <8>;
> > + non-removable;
> > + no-sd;
> > + no-sdio;
> > + status = "okay";
> > +};
>
> I'm not sure it can be enabled right now. Per my testing, eMMC is
> not
> working yet.
>
> [ 0.879756] mmc0: Switching to 3.3V signalling voltage failed
> [ 0.913587] mmc0: SDHCI controller on 30b40000.usdhc
> [30b40000.usdhc] using ADMA
> ...
> [ 1.007628] mmc0: switch to high-speed from hs200 failed, err:-110
> [ 1.013873] mmc0: error -110 whilst initialising MMC card
> [ 1.020639] mmc0: Switching to 3.3V signalling voltage failed
> ...
> [ 1.132462] mmc0: switch to high-speed from hs200 failed, err:-110
> [ 1.138674] mmc0: error -110 whilst initialising MMC card
> [ 1.145394] mmc0: Switching to 3.3V signalling voltage failed
> [ 1.268367] mmc0: switch to high-speed from hs200 failed, err:-110
> [ 1.274576] mmc0: error -110 whilst initialising MMC card
> [ 1.281291] mmc0: Switching to 3.3V signalling voltage failed
> [ 1.440708] mmc0: switch to high-speed from hs200 failed, err:-110
> [ 1.446919] mmc0: error -110 whilst initialising MMC card
>
> Or am I missing anything?
This is something I need to look into. The HS200 switching sequence
seems to try to switch to 3.3V HS mode intermediately, which doesn't
work. Despite the error messages eMMC works fine in my testing.
Regards,
Lucas
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next prev parent reply other threads:[~2018-02-23 15:45 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-01 18:31 [PATCH v2 1/4] arm64: add basic Kconfig symbols for i.MX8 Lucas Stach
[not found] ` <20180201183126.32384-1-l.stach-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2018-02-01 18:31 ` [PATCH v2 2/4] arm64: add basic DTS for i.MX8MQ Lucas Stach
[not found] ` <20180201183126.32384-2-l.stach-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2018-02-02 8:13 ` Jacky Bai
[not found] ` <HE1PR04MB3113FF72B02D642392D625DF87F90-6LN7OEpIatW7Zxc5AHJ2m89NdZoXdze2vxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2018-02-05 8:45 ` Shawn Guo
2018-02-05 9:07 ` Jacky Bai
2018-02-05 6:09 ` Rob Herring
2018-02-05 15:00 ` Marc Zyngier
2018-02-25 10:47 ` A.s. Dong
2018-02-26 3:17 ` Shawn Guo
2018-02-26 6:52 ` A.s. Dong
2018-02-26 7:09 ` Shawn Guo
2018-02-26 8:07 ` A.s. Dong
2018-03-09 3:23 ` Shawn Guo
2018-02-01 18:31 ` [PATCH v2 3/4] arm64: add support for i.MX8M EVK board Lucas Stach
[not found] ` <20180201183126.32384-3-l.stach-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2018-02-05 6:09 ` Rob Herring
2018-02-05 7:24 ` Baruch Siach
[not found] ` <20180205072438.nxvhlqk54d7firbz-MwjkAAnuF3khR1HGirfZ1z4kX+cae0hd@public.gmane.org>
2018-02-05 11:10 ` Lucas Stach
2018-02-23 3:46 ` Shawn Guo
2018-02-23 4:32 ` Baruch Siach
2018-02-23 7:05 ` Shawn Guo
2018-02-23 15:03 ` Shawn Guo
2018-02-23 15:30 ` Juergen Borleis
2018-02-23 15:46 ` Lucas Stach
2018-02-24 2:58 ` Bough Chen
2018-02-24 6:00 ` Shawn Guo
2018-02-25 9:54 ` A.s. Dong
2018-02-23 15:45 ` Lucas Stach [this message]
2018-02-25 10:00 ` A.s. Dong
2018-02-01 18:31 ` [PATCH v2 4/4] MAINTAINERS: add i.MX8 DT path to i.MX architecture Lucas Stach
2018-02-23 14:56 ` [PATCH v2 1/4] arm64: add basic Kconfig symbols for i.MX8 Shawn Guo
2018-02-25 10:17 ` A.s. Dong
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